package com.lemox.flowclient.dao;

import java.sql.Timestamp;
import java.util.List;
import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for Flow
 * entities. Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions. Each of these methods
 * provides additional information for how to configure it for the desired type
 * of transaction control.
 * 
 * @see com.lemox.flowclient.dao.Flow
 * @author MyEclipse Persistence Tools
 */
public class FlowDAO extends BaseHibernateDAO
{
	private static final Logger log = LoggerFactory.getLogger(FlowDAO.class);
	// property constants
	public static final String CONTENT = "content";

	public void save(Flow transientInstance)
	{
		log.debug("saving Flow instance");
		try
		{
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re)
		{
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Flow persistentInstance)
	{
		log.debug("deleting Flow instance");
		try
		{
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re)
		{
			log.error("delete failed", re);
			throw re;
		}
	}

	public Flow findById(java.lang.Integer id)
	{
		log.debug("getting Flow instance with id: " + id);
		try
		{
			Flow instance = (Flow) getSession().get(
					"com.lemox.flowclient.dao.Flow", id);
			return instance;
		} catch (RuntimeException re)
		{
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Flow instance)
	{
		log.debug("finding Flow instance by example");
		try
		{
			List results = getSession()
					.createCriteria("com.lemox.flowclient.dao.Flow")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re)
		{
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value)
	{
		log.debug("finding Flow instance with property: " + propertyName
				+ ", value: " + value);
		try
		{
			String queryString = "from Flow as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re)
		{
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByContent(Object content)
	{
		return findByProperty(CONTENT, content);
	}

	public List findAll()
	{
		log.debug("finding all Flow instances");
		try
		{
			String queryString = "from Flow";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re)
		{
			log.error("find all failed", re);
			throw re;
		}
	}

	public Flow merge(Flow detachedInstance)
	{
		log.debug("merging Flow instance");
		try
		{
			Flow result = (Flow) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re)
		{
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Flow instance)
	{
		log.debug("attaching dirty Flow instance");
		try
		{
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re)
		{
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Flow instance)
	{
		log.debug("attaching clean Flow instance");
		try
		{
			getSession().buildLockRequest(LockOptions.NONE).lock(instance);
			log.debug("attach successful");
		} catch (RuntimeException re)
		{
			log.error("attach failed", re);
			throw re;
		}
	}
}